View Compilation Error

0_0_36179928_12462.cpp:78:14: error: stray '\241' in program
              else printf(“?\n”);
              ^
0_0_36179928_12462.cpp:78:14: error: stray '\260' in program
0_0_36179928_12462.cpp:78:14: error: stray '\' in program
0_0_36179928_12462.cpp:78:14: error: stray '\241' in program
0_0_36179928_12462.cpp:78:14: error: stray '\261' in program
0_0_36179928_12462.cpp: In function 'void kurskal()':
0_0_36179928_12462.cpp:61:16: error: return-statement with a value, in function returning 'void' [-fpermissive]
        return -1;
                ^
0_0_36179928_12462.cpp: In function 'int main()':
0_0_36179928_12462.cpp:77:9: error: expected identifier before '!=' token
   if(and!=-1)printf("%d\n", ans);
         ^
0_0_36179928_12462.cpp:78:28: error: expected primary-expression before '?' token
              else printf(“?\n”);
                            ^
0_0_36179928_12462.cpp:78:33: error: expected ':' before ')' token
              else printf(“?\n”);
                                 ^
0_0_36179928_12462.cpp:78:33: error: expected primary-expression before ')' token